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vcmi/ios.toolchain.cmake
Andrey Filipenkov d69d2c705f update cmake iOS toolchain
2022-09-24 15:55:20 +03:00

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CMake
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# This file is part of the ios-cmake project. It was retrieved from
# https://github.com/leetal/ios-cmake.git, which is a fork of
# https://github.com/gerstrong/ios-cmake.git, which is a fork of
# https://github.com/cristeab/ios-cmake.git, which is a fork of
# https://code.google.com/p/ios-cmake/. Which in turn is based off of
# the Platform/Darwin.cmake and Platform/UnixPaths.cmake files which
# are included with CMake 2.8.4
#
# The ios-cmake project is licensed under the new BSD license.
#
# Copyright (c) 2014, Bogdan Cristea and LTE Engineering Software,
# Kitware, Inc., Insight Software Consortium. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# This file is based off of the Platform/Darwin.cmake and
# Platform/UnixPaths.cmake files which are included with CMake 2.8.4
# It has been altered for iOS development.
#
# Updated by Alex Stewart (alexs.mac@gmail.com)
#
# *****************************************************************************
# Now maintained by Alexander Widerberg (widerbergaren [at] gmail.com)
# under the BSD-3-Clause license
# https://github.com/leetal/ios-cmake
# *****************************************************************************
#
# INFORMATION / HELP
#
###############################################################################
# OPTIONS #
###############################################################################
#
# PLATFORM: (default "OS64")
# OS = Build for iPhoneOS.
# OS64 = Build for arm64 iphoneOS.
# OS64COMBINED = Build for arm64 x86_64 iphoneOS. Combined into FAT STATIC lib (supported on 3.14+ of CMakewith "-G Xcode" argument ONLY)
# SIMULATOR = Build for x86 i386 iphoneOS Simulator.
# SIMULATOR64 = Build for x86_64 iphoneOS Simulator.
# SIMULATORARM64 = Build for arm64 iphoneOS Simulator.
# TVOS = Build for arm64 tvOS.
# TVOSCOMBINED = Build for arm64 x86_64 tvOS. Combined into FAT STATIC lib (supported on 3.14+ of CMake with "-G Xcode" argument ONLY)
# SIMULATOR_TVOS = Build for x86_64 tvOS Simulator.
# WATCHOS = Build for armv7k arm64_32 for watchOS.
# WATCHOSCOMBINED = Build for armv7k arm64_32 x86_64 watchOS. Combined into FAT STATIC lib (supported on 3.14+ of CMake with "-G Xcode" argument ONLY)
# SIMULATOR_WATCHOS = Build for x86_64 for watchOS Simulator.
# MAC = Build for x86_64 macOS.
# MAC_ARM64 = Build for Apple Silicon macOS.
# MAC_CATALYST = Build for x86_64 macOS with Catalyst support (iOS toolchain on macOS).
# Note: The build argument "MACOSX_DEPLOYMENT_TARGET" can be used to control min-version of macOS
# MAC_CATALYST_ARM64 = Build for Apple Silicon macOS with Catalyst support (iOS toolchain on macOS).
# Note: The build argument "MACOSX_DEPLOYMENT_TARGET" can be used to control min-version of macOS
#
# CMAKE_OSX_SYSROOT: Path to the SDK to use. By default this is
# automatically determined from PLATFORM and xcodebuild, but
# can also be manually specified (although this should not be required).
#
# CMAKE_DEVELOPER_ROOT: Path to the Developer directory for the platform
# being compiled for. By default this is automatically determined from
# CMAKE_OSX_SYSROOT, but can also be manually specified (although this should
# not be required).
#
# DEPLOYMENT_TARGET: Minimum SDK version to target. Default 2.0 on watchOS and 9.0 on tvOS+iOS
#
# NAMED_LANGUAGE_SUPPORT:
# ON (default) = Will require "enable_language(OBJC) and/or enable_language(OBJCXX)" for full OBJC|OBJCXX support
# OFF = Will embed the OBJC and OBJCXX flags into the CMAKE_C_FLAGS and CMAKE_CXX_FLAGS (legacy behaviour, CMake version < 3.16)
#
# ENABLE_BITCODE: (ON|OFF) Enables or disables bitcode support. Default ON
#
# ENABLE_ARC: (ON|OFF) Enables or disables ARC support. Default ON (ARC enabled by default)
#
# ENABLE_VISIBILITY: (ON|OFF) Enables or disables symbol visibility support. Default OFF (visibility hidden by default)
#
# ENABLE_STRICT_TRY_COMPILE: (ON|OFF) Enables or disables strict try_compile() on all Check* directives (will run linker
# to actually check if linking is possible). Default OFF (will set CMAKE_TRY_COMPILE_TARGET_TYPE to STATIC_LIBRARY)
#
# ARCHS: (armv7 armv7s armv7k arm64 arm64_32 i386 x86_64) If specified, will override the default architectures for the given PLATFORM
# OS = armv7 armv7s arm64 (if applicable)
# OS64 = arm64 (if applicable)
# SIMULATOR = i386
# SIMULATOR64 = x86_64
# SIMULATORARM64 = arm64
# TVOS = arm64
# SIMULATOR_TVOS = x86_64 (i386 has since long been deprecated)
# WATCHOS = armv7k arm64_32 (if applicable)
# SIMULATOR_WATCHOS = x86_64 (i386 has since long been deprecated)
# MAC = x86_64
# MAC_ARM64 = arm64
# MAC_CATALYST = x86_64
# MAC_CATALYST_ARM64 = arm64
#
# NOTE: When manually specifying ARCHS, put a semi-colon between the entries. E.g., -DARCHS="armv7;arm64"
#
###############################################################################
# END OPTIONS #
###############################################################################
#
# This toolchain defines the following properties (available via get_property()) for use externally:
#
# PLATFORM: The currently targeted platform.
# XCODE_VERSION: Version number (not including Build version) of Xcode detected.
# SDK_VERSION: Version of SDK being used.
# OSX_ARCHITECTURES: Architectures being compiled for (generated from PLATFORM).
# APPLE_TARGET_TRIPLE: Used by autoconf build systems. NOTE: If "ARCHS" are overridden, this will *NOT* be set!
#
# This toolchain defines the following macros for use externally:
#
# set_xcode_property (TARGET XCODE_PROPERTY XCODE_VALUE XCODE_VARIANT)
# A convenience macro for setting xcode specific properties on targets.
# Available variants are: All, Release, RelWithDebInfo, Debug, MinSizeRel
# example: set_xcode_property (myioslib IPHONEOS_DEPLOYMENT_TARGET "3.1" "all").
#
# find_host_package (PROGRAM ARGS)
# A macro used to find executable programs on the host system, not within the
# environment. Thanks to the android-cmake project for providing the
# command.
#
cmake_minimum_required(VERSION 3.8.0)
# CMake invokes the toolchain file twice during the first build, but only once during subsequent rebuilds.
if(DEFINED ENV{_IOS_TOOLCHAIN_HAS_RUN})
return()
endif()
set(ENV{_IOS_TOOLCHAIN_HAS_RUN} true)
# List of supported platform values
list(APPEND _supported_platforms
"OS" "OS64" "OS64COMBINED" "SIMULATOR" "SIMULATOR64" "SIMULATORARM64"
"TVOS" "TVOSCOMBINED" "SIMULATOR_TVOS"
"WATCHOS" "WATCHOSCOMBINED" "SIMULATOR_WATCHOS"
"MAC" "MAC_ARM64"
"MAC_CATALYST" "MAC_CATALYST_ARM64")
# Cache what generator is used
set(USED_CMAKE_GENERATOR "${CMAKE_GENERATOR}")
# Check if using a CMake version capable of building combined FAT builds (simulator and target slices combined in one static lib)
if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.14")
set(MODERN_CMAKE YES)
endif()
# Get the Xcode version being used.
# Problem: CMake runs toolchain files multiple times, but can't read cache variables on some runs.
# Workaround: On first run (in which cache variables are always accessible), set an intermediary environment variable.
#
# NOTE: This pattern is used i many places in this toolchain to speed up checks of all sorts
if(DEFINED XCODE_VERSION_INT)
# Environment variables are always preserved.
set(ENV{_XCODE_VERSION_INT} "${XCODE_VERSION_INT}")
elseif(DEFINED ENV{_XCODE_VERSION_INT})
set(XCODE_VERSION_INT "$ENV{_XCODE_VERSION_INT}")
elseif(NOT DEFINED XCODE_VERSION_INT)
find_program(XCODEBUILD_EXECUTABLE xcodebuild)
if(NOT XCODEBUILD_EXECUTABLE)
message(FATAL_ERROR "xcodebuild not found. Please install either the standalone commandline tools or Xcode.")
endif()
execute_process(COMMAND ${XCODEBUILD_EXECUTABLE} -version
OUTPUT_VARIABLE XCODE_VERSION_INT
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX MATCH "Xcode [0-9\\.]+" XCODE_VERSION_INT "${XCODE_VERSION_INT}")
string(REGEX REPLACE "Xcode ([0-9\\.]+)" "\\1" XCODE_VERSION_INT "${XCODE_VERSION_INT}")
set(XCODE_VERSION_INT "${XCODE_VERSION_INT}" CACHE INTERNAL "")
endif()
# Assuming that xcode 12.0 is installed you most probably have ios sdk 14.0 or later installed (tested on Big Sur)
# if you don't set a deployment target it will be set the way you only get 64-bit builds
if(NOT DEFINED DEPLOYMENT_TARGET AND XCODE_VERSION_INT VERSION_GREATER 12.0)
# Temporarily fix the arm64 issues in CMake install-combined by excluding arm64 for simulator builds (needed for Apple Silicon...)
set(CMAKE_XCODE_ATTRIBUTE_EXCLUDED_ARCHS[sdk=iphonesimulator*] "arm64")
endif()
# Check if the platform variable is set
if(DEFINED PLATFORM)
# Environment variables are always preserved.
set(ENV{_PLATFORM} "${PLATFORM}")
elseif(DEFINED ENV{_PLATFORM})
set(PLATFORM "$ENV{_PLATFORM}")
elseif(NOT DEFINED PLATFORM)
message(FATAL_ERROR "PLATFORM argument not set. Bailing configure since I don't know what target you want to build for!")
endif ()
if(PLATFORM MATCHES ".*COMBINED" AND NOT CMAKE_GENERATOR MATCHES "Xcode")
message(FATAL_ERROR "The combined builds support requires Xcode to be used as generator via '-G Xcode' command-line argument in CMake")
endif()
# Safeguard that the platform value is set and is one of the supported values
list(FIND _supported_platforms ${PLATFORM} contains_PLATFORM)
if("${contains_PLATFORM}" EQUAL "-1")
string(REPLACE ";" "\n * " _supported_platforms_formatted "${_supported_platforms}")
message(FATAL_ERROR " Invalid PLATFORM specified! Current value: ${PLATFORM}.\n"
" Supported PLATFORM values: \n * ${_supported_platforms_formatted}")
endif()
# Check if Apple Silicon is supported
if(PLATFORM MATCHES "^(MAC_ARM64)$|^(MAC_CATALYST_ARM64)$" AND ${CMAKE_VERSION} VERSION_LESS "3.19.5")
message(FATAL_ERROR "Apple Silicon builds requires a minimum of CMake 3.19.5")
endif()
# Touch toolchain variable to suppress "unused variable" warning.
# This happens if CMake is invoked with the same command line the second time.
if(CMAKE_TOOLCHAIN_FILE)
endif()
# Fix for PThread library not in path
set(CMAKE_THREAD_LIBS_INIT "-lpthread")
set(CMAKE_HAVE_THREADS_LIBRARY 1)
set(CMAKE_USE_WIN32_THREADS_INIT 0)
set(CMAKE_USE_PTHREADS_INIT 1)
# Specify named language support defaults.
if(NOT DEFINED NAMED_LANGUAGE_SUPPORT AND ${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.16")
set(NAMED_LANGUAGE_SUPPORT ON)
message(STATUS "[DEFAULTS] Using explicit named language support! E.g., enable_language(CXX) is needed in the project files.")
elseif(NOT DEFINED NAMED_LANGUAGE_SUPPORT AND ${CMAKE_VERSION} VERSION_LESS "3.16")
set(NAMED_LANGUAGE_SUPPORT OFF)
message(STATUS "[DEFAULTS] Disabling explicit named language support. Falling back to legacy behaviour.")
elseif(DEFINED NAMED_LANGUAGE_SUPPORT AND ${CMAKE_VERSION} VERSION_LESS "3.16")
message(FATAL_ERROR "CMake named language support for OBJC and OBJCXX was added in CMake 3.16.")
endif()
set(NAMED_LANGUAGE_SUPPORT_INT ${NAMED_LANGUAGE_SUPPORT} CACHE BOOL
"Whether or not to enable explicit named language support" FORCE)
# Specify minimum version of deployment target.
if(NOT DEFINED DEPLOYMENT_TARGET)
if (PLATFORM MATCHES "WATCHOS")
# Unless specified, SDK version 4.0 is used by default as minimum target version (watchOS).
set(DEPLOYMENT_TARGET "4.0")
elseif(PLATFORM STREQUAL "MAC")
# Unless specified, SDK version 10.13 (High sierra) is used by default as minimum target version (macos).
set(DEPLOYMENT_TARGET "10.13")
elseif(PLATFORM STREQUAL "MAC_ARM64")
# Unless specified, SDK version 11.0 (Big Sur) is used by default as minimum target version (macos on arm).
set(DEPLOYMENT_TARGET "11.0")
elseif(PLATFORM STREQUAL "MAC_CATALYST" OR PLATFORM STREQUAL "MAC_CATALYST_ARM64")
# Unless specified, SDK version 13.0 is used by default as minimum target version (mac catalyst minimum requirement).
set(DEPLOYMENT_TARGET "13.1")
else()
# Unless specified, SDK version 11.0 is used by default as minimum target version (iOS, tvOS).
set(DEPLOYMENT_TARGET "11.0")
endif()
message(STATUS "[DEFAULTS] Using the default min-version since DEPLOYMENT_TARGET not provided!")
elseif(DEFINED DEPLOYMENT_TARGET AND PLATFORM MATCHES "^MAC_CATALYST" AND ${DEPLOYMENT_TARGET} VERSION_LESS "13.1")
message(FATAL_ERROR "Mac Catalyst builds requires a minimum deployment target of 13.1!")
endif()
# Store the DEPLOYMENT_TARGET in the cache
set(DEPLOYMENT_TARGET "${DEPLOYMENT_TARGET}" CACHE INTERNAL "")
# Handle the case where we are targeting iOS and a version above 10.3.4 (32-bit support dropped officially)
if(PLATFORM STREQUAL "OS" AND DEPLOYMENT_TARGET VERSION_GREATER_EQUAL 10.3.4)
set(PLATFORM "OS64")
message(STATUS "Targeting minimum SDK version ${DEPLOYMENT_TARGET}. Dropping 32-bit support.")
elseif(PLATFORM STREQUAL "SIMULATOR" AND DEPLOYMENT_TARGET VERSION_GREATER_EQUAL 10.3.4)
set(PLATFORM "SIMULATOR64")
message(STATUS "Targeting minimum SDK version ${DEPLOYMENT_TARGET}. Dropping 32-bit support.")
endif()
set(PLATFORM_INT "${PLATFORM}")
if(DEFINED ARCHS)
string(REPLACE ";" "-" ARCHS_SPLIT "${ARCHS}")
endif()
# Determine the platform name and architectures for use in xcodebuild commands
# from the specified PLATFORM_INT name.
if(PLATFORM_INT STREQUAL "OS")
set(SDK_NAME iphoneos)
if(NOT ARCHS)
set(ARCHS armv7 armv7s arm64)
set(APPLE_TARGET_TRIPLE_INT arm-apple-ios${DEPLOYMENT_TARGET})
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET})
endif()
elseif(PLATFORM_INT STREQUAL "OS64")
set(SDK_NAME iphoneos)
if(NOT ARCHS)
if (XCODE_VERSION_INT VERSION_GREATER 10.0)
set(ARCHS arm64) # FIXME: Add arm64e when Apple have fixed the integration issues with it, libarclite_iphoneos.a is currently missung bitcode markers for example
else()
set(ARCHS arm64)
endif()
set(APPLE_TARGET_TRIPLE_INT aarch64-apple-ios${DEPLOYMENT_TARGET})
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET})
endif()
elseif(PLATFORM_INT STREQUAL "OS64COMBINED")
set(SDK_NAME iphoneos)
if(MODERN_CMAKE)
if(NOT ARCHS)
if (XCODE_VERSION_INT VERSION_GREATER 10.0)
set(ARCHS arm64 x86_64) # FIXME: Add arm64e when Apple have fixed the integration issues with it, libarclite_iphoneos.a is currently missung bitcode markers for example
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=iphoneos*] "arm64")
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=iphonesimulator*] "x86_64")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=iphoneos*] "arm64")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=iphonesimulator*] "x86_64")
else()
set(ARCHS arm64 x86_64)
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=iphoneos*] "arm64")
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=iphonesimulator*] "x86_64")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=iphoneos*] "arm64")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=iphonesimulator*] "x86_64")
endif()
set(APPLE_TARGET_TRIPLE_INT aarch64-x86_64-apple-ios${DEPLOYMENT_TARGET})
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET})
endif()
else()
message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to make the OS64COMBINED setting work")
endif()
elseif(PLATFORM_INT STREQUAL "SIMULATOR")
set(SDK_NAME iphonesimulator)
if(NOT ARCHS)
set(ARCHS i386)
set(APPLE_TARGET_TRIPLE_INT i386-apple-ios${DEPLOYMENT_TARGET}-simulator)
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET}-simulator)
endif()
message(DEPRECATION "SIMULATOR IS DEPRECATED. Consider using SIMULATOR64 instead.")
elseif(PLATFORM_INT STREQUAL "SIMULATOR64")
set(SDK_NAME iphonesimulator)
if(NOT ARCHS)
set(ARCHS x86_64)
set(APPLE_TARGET_TRIPLE_INT x86_64-apple-ios${DEPLOYMENT_TARGET}-simulator)
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET}-simulator)
endif()
elseif(PLATFORM_INT STREQUAL "SIMULATORARM64")
set(SDK_NAME iphonesimulator)
if(NOT ARCHS)
set(ARCHS arm64)
set(APPLE_TARGET_TRIPLE_INT aarch64-apple-ios${DEPLOYMENT_TARGET}-simulator)
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET}-simulator)
endif()
elseif(PLATFORM_INT STREQUAL "TVOS")
set(SDK_NAME appletvos)
if(NOT ARCHS)
set(ARCHS arm64)
set(APPLE_TARGET_TRIPLE_INT aarch64-apple-tvos${DEPLOYMENT_TARGET})
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-tvos${DEPLOYMENT_TARGET})
endif()
elseif (PLATFORM_INT STREQUAL "TVOSCOMBINED")
set(SDK_NAME appletvos)
if(MODERN_CMAKE)
if(NOT ARCHS)
set(ARCHS arm64 x86_64)
set(APPLE_TARGET_TRIPLE_INT aarch64-x86_64-apple-tvos${DEPLOYMENT_TARGET})
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=appletvos*] "arm64")
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=appletvsimulator*] "x86_64")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=appletvos*] "arm64")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=appletvsimulator*] "x86_64")
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-tvos${DEPLOYMENT_TARGET})
endif()
else()
message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to make the TVOSCOMBINED setting work")
endif()
elseif(PLATFORM_INT STREQUAL "SIMULATOR_TVOS")
set(SDK_NAME appletvsimulator)
if(NOT ARCHS)
set(ARCHS x86_64)
set(APPLE_TARGET_TRIPLE_INT x86_64-apple-tvos${DEPLOYMENT_TARGET}-simulator)
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-tvos${DEPLOYMENT_TARGET}-simulator)
endif()
elseif(PLATFORM_INT STREQUAL "WATCHOS")
set(SDK_NAME watchos)
if(NOT ARCHS)
if (XCODE_VERSION_INT VERSION_GREATER 10.0)
set(ARCHS armv7k arm64_32)
set(APPLE_TARGET_TRIPLE_INT aarch64_32-apple-watchos${DEPLOYMENT_TARGET})
else()
set(ARCHS armv7k)
set(APPLE_TARGET_TRIPLE_INT arm-apple-watchos${DEPLOYMENT_TARGET})
endif()
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-watchos${DEPLOYMENT_TARGET})
endif()
elseif(PLATFORM_INT STREQUAL "WATCHOSCOMBINED")
set(SDK_NAME watchos)
if(MODERN_CMAKE)
if(NOT ARCHS)
if (XCODE_VERSION_INT VERSION_GREATER 10.0)
set(ARCHS armv7k arm64_32 i386)
set(APPLE_TARGET_TRIPLE_INT aarch64_32-i386-apple-watchos${DEPLOYMENT_TARGET})
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=watchos*] "armv7k arm64_32")
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=watchsimulator*] "i386")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=watchos*] "armv7k arm64_32")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=watchsimulator*] "i386")
else()
set(ARCHS armv7k i386)
set(APPLE_TARGET_TRIPLE_INT arm-i386-apple-watchos${DEPLOYMENT_TARGET})
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=watchos*] "armv7k")
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=watchsimulator*] "i386")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=watchos*] "armv7k")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=watchsimulator*] "i386")
endif()
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-watchos${DEPLOYMENT_TARGET})
endif()
else()
message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to make the WATCHOSCOMBINED setting work")
endif()
elseif(PLATFORM_INT STREQUAL "SIMULATOR_WATCHOS")
set(SDK_NAME watchsimulator)
if(NOT ARCHS)
set(ARCHS i386)
set(APPLE_TARGET_TRIPLE_INT i386-apple-watchos${DEPLOYMENT_TARGET}-simulator)
else()
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-watchos${DEPLOYMENT_TARGET}-simulator)
endif()
elseif(PLATFORM_INT STREQUAL "MAC" OR PLATFORM_INT STREQUAL "MAC_CATALYST")
set(SDK_NAME macosx)
if(NOT ARCHS)
set(ARCHS x86_64)
endif()
string(REPLACE ";" "-" ARCHS_SPLIT "${ARCHS}")
if(PLATFORM_INT STREQUAL "MAC")
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-macosx${DEPLOYMENT_TARGET})
elseif(PLATFORM_INT STREQUAL "MAC_CATALYST")
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET}-macabi)
endif()
elseif(PLATFORM_INT MATCHES "^(MAC_ARM64)$|^(MAC_CATALYST_ARM64)$")
set(SDK_NAME macosx)
if(NOT ARCHS)
set(ARCHS arm64)
endif()
string(REPLACE ";" "-" ARCHS_SPLIT "${ARCHS}")
if(PLATFORM_INT STREQUAL "MAC_ARM64")
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-macosx${DEPLOYMENT_TARGET})
elseif(PLATFORM_INT STREQUAL "MAC_CATALYST_ARM64")
set(APPLE_TARGET_TRIPLE_INT ${ARCHS_SPLIT}-apple-ios${DEPLOYMENT_TARGET}-macabi)
endif()
else()
message(FATAL_ERROR "Invalid PLATFORM: ${PLATFORM_INT}")
endif()
string(REPLACE ";" " " ARCHS_SPACED "${ARCHS}")
if(MODERN_CMAKE AND PLATFORM_INT MATCHES ".*COMBINED" AND NOT CMAKE_GENERATOR MATCHES "Xcode")
message(FATAL_ERROR "The COMBINED options only work with Xcode generator, -G Xcode")
endif()
if(CMAKE_GENERATOR MATCHES "Xcode" AND PLATFORM_INT MATCHES "^MAC_CATALYST")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
set(CMAKE_XCODE_ATTRIBUTE_SUPPORTED_PLATFORMS "macosx")
set(CMAKE_XCODE_EFFECTIVE_PLATFORMS "-maccatalyst")
if(NOT DEFINED MACOSX_DEPLOYMENT_TARGET)
set(CMAKE_XCODE_ATTRIBUTE_MACOSX_DEPLOYMENT_TARGET "10.15")
else()
set(CMAKE_XCODE_ATTRIBUTE_MACOSX_DEPLOYMENT_TARGET "${MACOSX_DEPLOYMENT_TARGET}")
endif()
elseif(CMAKE_GENERATOR MATCHES "Xcode")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
set(CMAKE_XCODE_ATTRIBUTE_IPHONEOS_DEPLOYMENT_TARGET "${DEPLOYMENT_TARGET}")
if(NOT PLATFORM_INT MATCHES ".*COMBINED")
set(CMAKE_XCODE_ATTRIBUTE_ARCHS[sdk=${SDK_NAME}*] "${ARCHS_SPACED}")
set(CMAKE_XCODE_ATTRIBUTE_VALID_ARCHS[sdk=${SDK_NAME}*] "${ARCHS_SPACED}")
endif()
endif()
# If user did not specify the SDK root to use, then query xcodebuild for it.
if(DEFINED CMAKE_OSX_SYSROOT_INT)
# Environment variables are always preserved.
set(ENV{_CMAKE_OSX_SYSROOT_INT} "${CMAKE_OSX_SYSROOT_INT}")
elseif(DEFINED ENV{_CMAKE_OSX_SYSROOT_INT})
set(CMAKE_OSX_SYSROOT_INT "$ENV{_CMAKE_OSX_SYSROOT_INT}")
elseif(NOT DEFINED CMAKE_OSX_SYSROOT_INT)
execute_process(COMMAND ${XCODEBUILD_EXECUTABLE} -version -sdk ${SDK_NAME} Path
OUTPUT_VARIABLE CMAKE_OSX_SYSROOT_INT
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if (NOT DEFINED CMAKE_OSX_SYSROOT_INT AND NOT DEFINED CMAKE_OSX_SYSROOT)
message(SEND_ERROR "Please make sure that Xcode is installed and that the toolchain"
"is pointing to the correct path. Please run:"
"sudo xcode-select -s /Applications/Xcode.app/Contents/Developer"
"and see if that fixes the problem for you.")
message(FATAL_ERROR "Invalid CMAKE_OSX_SYSROOT: ${CMAKE_OSX_SYSROOT} "
"does not exist.")
elseif(DEFINED CMAKE_OSX_SYSROOT_INT)
set(CMAKE_OSX_SYSROOT_INT "${CMAKE_OSX_SYSROOT_INT}" CACHE INTERNAL "")
# Specify the location or name of the platform SDK to be used in CMAKE_OSX_SYSROOT.
set(CMAKE_OSX_SYSROOT "${CMAKE_OSX_SYSROOT_INT}" CACHE INTERNAL "")
endif()
# Use bitcode or not
if(NOT DEFINED ENABLE_BITCODE AND NOT ARCHS MATCHES "((^|;|, )(i386|x86_64))+")
# Unless specified, enable bitcode support by default
message(STATUS "[DEFAULTS] Enabling bitcode support by default. ENABLE_BITCODE not provided!")
set(ENABLE_BITCODE ON)
elseif(NOT DEFINED ENABLE_BITCODE)
message(STATUS "[DEFAULTS] Disabling bitcode support by default on simulators. ENABLE_BITCODE not provided for override!")
set(ENABLE_BITCODE OFF)
endif()
set(ENABLE_BITCODE_INT ${ENABLE_BITCODE} CACHE BOOL
"Whether or not to enable bitcode" FORCE)
# Use ARC or not
if(NOT DEFINED ENABLE_ARC)
# Unless specified, enable ARC support by default
set(ENABLE_ARC ON)
message(STATUS "[DEFAULTS] Enabling ARC support by default. ENABLE_ARC not provided!")
endif()
set(ENABLE_ARC_INT ${ENABLE_ARC} CACHE BOOL "Whether or not to enable ARC" FORCE)
# Use hidden visibility or not
if(NOT DEFINED ENABLE_VISIBILITY)
# Unless specified, disable symbols visibility by default
set(ENABLE_VISIBILITY OFF)
message(STATUS "[DEFAULTS] Hiding symbols visibility by default. ENABLE_VISIBILITY not provided!")
endif()
set(ENABLE_VISIBILITY_INT ${ENABLE_VISIBILITY} CACHE BOOL "Whether or not to hide symbols from the dynamic linker (-fvisibility=hidden)" FORCE)
# Set strict compiler checks or not
if(NOT DEFINED ENABLE_STRICT_TRY_COMPILE)
# Unless specified, disable strict try_compile()
set(ENABLE_STRICT_TRY_COMPILE OFF)
message(STATUS "[DEFAULTS] Using NON-strict compiler checks by default. ENABLE_STRICT_TRY_COMPILE not provided!")
endif()
set(ENABLE_STRICT_TRY_COMPILE_INT ${ENABLE_STRICT_TRY_COMPILE} CACHE BOOL
"Whether or not to use strict compiler checks" FORCE)
# Get the SDK version information.
if(DEFINED SDK_VERSION)
# Environment variables are always preserved.
set(ENV{_SDK_VERSION} "${SDK_VERSION}")
elseif(DEFINED ENV{_SDK_VERSION})
set(SDK_VERSION "$ENV{_SDK_VERSION}")
elseif(NOT DEFINED SDK_VERSION)
execute_process(COMMAND ${XCODEBUILD_EXECUTABLE} -sdk ${CMAKE_OSX_SYSROOT_INT} -version SDKVersion
OUTPUT_VARIABLE SDK_VERSION
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
# Find the Developer root for the specific iOS platform being compiled for
# from CMAKE_OSX_SYSROOT. Should be ../../ from SDK specified in
# CMAKE_OSX_SYSROOT. There does not appear to be a direct way to obtain
# this information from xcrun or xcodebuild.
if (NOT DEFINED CMAKE_DEVELOPER_ROOT AND NOT CMAKE_GENERATOR MATCHES "Xcode")
get_filename_component(PLATFORM_SDK_DIR ${CMAKE_OSX_SYSROOT_INT} PATH)
get_filename_component(CMAKE_DEVELOPER_ROOT ${PLATFORM_SDK_DIR} PATH)
if (NOT EXISTS "${CMAKE_DEVELOPER_ROOT}")
message(FATAL_ERROR "Invalid CMAKE_DEVELOPER_ROOT: ${CMAKE_DEVELOPER_ROOT} does not exist.")
endif()
endif()
# Find the C & C++ compilers for the specified SDK.
if(DEFINED CMAKE_C_COMPILER)
# Environment variables are always preserved.
set(ENV{_CMAKE_C_COMPILER} "${CMAKE_C_COMPILER}")
elseif(DEFINED ENV{_CMAKE_C_COMPILER})
set(CMAKE_C_COMPILER "$ENV{_CMAKE_C_COMPILER}")
set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
elseif(NOT DEFINED CMAKE_C_COMPILER)
execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT_INT} -find clang
OUTPUT_VARIABLE CMAKE_C_COMPILER
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
endif()
if(DEFINED CMAKE_CXX_COMPILER)
# Environment variables are always preserved.
set(ENV{_CMAKE_CXX_COMPILER} "${CMAKE_CXX_COMPILER}")
elseif(DEFINED ENV{_CMAKE_CXX_COMPILER})
set(CMAKE_CXX_COMPILER "$ENV{_CMAKE_CXX_COMPILER}")
elseif(NOT DEFINED CMAKE_CXX_COMPILER)
execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT_INT} -find clang++
OUTPUT_VARIABLE CMAKE_CXX_COMPILER
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
# Find (Apple's) libtool.
if(DEFINED BUILD_LIBTOOL)
# Environment variables are always preserved.
set(ENV{_BUILD_LIBTOOL} "${BUILD_LIBTOOL}")
elseif(DEFINED ENV{_BUILD_LIBTOOL})
set(BUILD_LIBTOOL "$ENV{_BUILD_LIBTOOL}")
elseif(NOT DEFINED BUILD_LIBTOOL)
execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT_INT} -find libtool
OUTPUT_VARIABLE BUILD_LIBTOOL
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
# Find the toolchain's provided install_name_tool if none is found on the host
if(DEFINED CMAKE_INSTALL_NAME_TOOL)
# Environment variables are always preserved.
set(ENV{_CMAKE_INSTALL_NAME_TOOL} "${CMAKE_INSTALL_NAME_TOOL}")
elseif(DEFINED ENV{_CMAKE_INSTALL_NAME_TOOL})
set(CMAKE_INSTALL_NAME_TOOL "$ENV{_CMAKE_INSTALL_NAME_TOOL}")
elseif(NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT_INT} -find install_name_tool
OUTPUT_VARIABLE CMAKE_INSTALL_NAME_TOOL_INT
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_INSTALL_NAME_TOOL ${CMAKE_INSTALL_NAME_TOOL_INT} CACHE INTERNAL "")
endif()
# Configure libtool to be used instead of ar + ranlib to build static libraries.
# This is required on Xcode 7+, but should also work on previous versions of
# Xcode.
get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
foreach(lang ${languages})
set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "${BUILD_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS> " CACHE INTERNAL "")
endforeach()
# CMake 3.14+ support building for iOS, watchOS and tvOS out of the box.
if(MODERN_CMAKE)
if(SDK_NAME MATCHES "iphone")
set(CMAKE_SYSTEM_NAME iOS)
elseif(SDK_NAME MATCHES "macosx")
set(CMAKE_SYSTEM_NAME Darwin)
elseif(SDK_NAME MATCHES "appletv")
set(CMAKE_SYSTEM_NAME tvOS)
elseif(SDK_NAME MATCHES "watch")
set(CMAKE_SYSTEM_NAME watchOS)
endif()
# Provide flags for a combined FAT library build on newer CMake versions
if(PLATFORM_INT MATCHES ".*COMBINED")
set(CMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH "NO")
set(CMAKE_IOS_INSTALL_COMBINED YES)
endif()
elseif(NOT DEFINED CMAKE_SYSTEM_NAME AND ${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.10")
# Legacy code path prior to CMake 3.14 or fallback if no CMAKE_SYSTEM_NAME specified
set(CMAKE_SYSTEM_NAME iOS)
elseif(NOT DEFINED CMAKE_SYSTEM_NAME)
# Legacy code path prior to CMake 3.14 or fallback if no CMAKE_SYSTEM_NAME specified
set(CMAKE_SYSTEM_NAME Darwin)
endif()
# Standard settings.
set(CMAKE_SYSTEM_VERSION ${SDK_VERSION} CACHE INTERNAL "")
set(UNIX ON CACHE BOOL "")
set(APPLE ON CACHE BOOL "")
if(PLATFORM STREQUAL "MAC" OR PLATFORM STREQUAL "MAC_ARM64")
set(IOS OFF CACHE BOOL "")
set(MACOS ON CACHE BOOL "")
elseif(PLATFORM STREQUAL "MAC_CATALYST" OR PLATFORM STREQUAL "MAC_CATALYST_ARM64")
set(IOS ON CACHE BOOL "")
set(MACOS ON CACHE BOOL "")
else()
set(IOS ON CACHE BOOL "")
endif()
set(CMAKE_AR ar CACHE FILEPATH "" FORCE)
set(CMAKE_RANLIB ranlib CACHE FILEPATH "" FORCE)
set(CMAKE_STRIP strip CACHE FILEPATH "" FORCE)
# Set the architectures for which to build.
set(CMAKE_OSX_ARCHITECTURES ${ARCHS} CACHE INTERNAL "")
# Change the type of target generated for try_compile() so it'll work when cross-compiling, weak compiler checks
if(NOT ENABLE_STRICT_TRY_COMPILE_INT)
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
endif()
# All iOS/Darwin specific settings - some may be redundant.
set(CMAKE_MACOSX_BUNDLE YES)
set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO")
set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
set(CMAKE_SHARED_MODULE_PREFIX "lib")
set(CMAKE_SHARED_MODULE_SUFFIX ".so")
set(CMAKE_C_COMPILER_ABI ELF)
set(CMAKE_CXX_COMPILER_ABI ELF)
set(CMAKE_C_HAS_ISYSROOT 1)
set(CMAKE_CXX_HAS_ISYSROOT 1)
set(CMAKE_MODULE_EXISTS 1)
set(CMAKE_DL_LIBS "")
set(CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
set(CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
set(CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
set(CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
if(ARCHS MATCHES "((^|;|, )(arm64|arm64e|x86_64))+")
set(CMAKE_C_SIZEOF_DATA_PTR 8)
set(CMAKE_CXX_SIZEOF_DATA_PTR 8)
if(ARCHS MATCHES "((^|;|, )(arm64|arm64e))+")
set(CMAKE_SYSTEM_PROCESSOR "aarch64")
else()
set(CMAKE_SYSTEM_PROCESSOR "x86_64")
endif()
else()
set(CMAKE_C_SIZEOF_DATA_PTR 4)
set(CMAKE_CXX_SIZEOF_DATA_PTR 4)
set(CMAKE_SYSTEM_PROCESSOR "arm")
endif()
# Note that only Xcode 7+ supports the newer more specific:
# -m${SDK_NAME}-version-min flags, older versions of Xcode use:
# -m(ios/ios-simulator)-version-min instead.
if(${CMAKE_VERSION} VERSION_LESS "3.11")
if(PLATFORM_INT STREQUAL "OS" OR PLATFORM_INT STREQUAL "OS64")
if(XCODE_VERSION_INT VERSION_LESS 7.0)
set(SDK_NAME_VERSION_FLAGS
"-mios-version-min=${DEPLOYMENT_TARGET}")
else()
# Xcode 7.0+ uses flags we can build directly from SDK_NAME.
set(SDK_NAME_VERSION_FLAGS
"-m${SDK_NAME}-version-min=${DEPLOYMENT_TARGET}")
endif()
elseif(PLATFORM_INT STREQUAL "TVOS")
set(SDK_NAME_VERSION_FLAGS
"-mtvos-version-min=${DEPLOYMENT_TARGET}")
elseif(PLATFORM_INT STREQUAL "SIMULATOR_TVOS")
set(SDK_NAME_VERSION_FLAGS
"-mtvos-simulator-version-min=${DEPLOYMENT_TARGET}")
elseif(PLATFORM_INT STREQUAL "WATCHOS")
set(SDK_NAME_VERSION_FLAGS
"-mwatchos-version-min=${DEPLOYMENT_TARGET}")
elseif(PLATFORM_INT STREQUAL "SIMULATOR_WATCHOS")
set(SDK_NAME_VERSION_FLAGS
"-mwatchos-simulator-version-min=${DEPLOYMENT_TARGET}")
elseif(PLATFORM_INT STREQUAL "MAC")
set(SDK_NAME_VERSION_FLAGS
"-mmacosx-version-min=${DEPLOYMENT_TARGET}")
else()
# SIMULATOR or SIMULATOR64 both use -mios-simulator-version-min.
set(SDK_NAME_VERSION_FLAGS
"-mios-simulator-version-min=${DEPLOYMENT_TARGET}")
endif()
elseif(NOT PLATFORM_INT MATCHES "^MAC_CATALYST")
# Newer versions of CMake sets the version min flags correctly, skip this for Mac Catalyst targets
set(CMAKE_OSX_DEPLOYMENT_TARGET ${DEPLOYMENT_TARGET})
endif()
if(DEFINED APPLE_TARGET_TRIPLE_INT)
set(APPLE_TARGET_TRIPLE ${APPLE_TARGET_TRIPLE_INT} CACHE INTERNAL "")
set(CMAKE_C_COMPILER_TARGET ${APPLE_TARGET_TRIPLE})
set(CMAKE_CXX_COMPILER_TARGET ${APPLE_TARGET_TRIPLE})
set(CMAKE_ASM_COMPILER_TARGET ${APPLE_TARGET_TRIPLE})
endif()
if(PLATFORM_INT MATCHES "^MAC_CATALYST")
set(C_TARGET_FLAGS "-isystem ${CMAKE_OSX_SYSROOT_INT}/System/iOSSupport/usr/include -iframework ${CMAKE_OSX_SYSROOT_INT}/System/iOSSupport/System/Library/Frameworks")
endif()
if(ENABLE_BITCODE_INT)
set(BITCODE "-fembed-bitcode")
set(CMAKE_XCODE_ATTRIBUTE_BITCODE_GENERATION_MODE "bitcode")
set(CMAKE_XCODE_ATTRIBUTE_ENABLE_BITCODE "YES")
else()
set(BITCODE "")
set(CMAKE_XCODE_ATTRIBUTE_ENABLE_BITCODE "NO")
endif()
if(ENABLE_ARC_INT)
set(FOBJC_ARC "-fobjc-arc")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC "YES")
else()
set(FOBJC_ARC "-fno-objc-arc")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC "NO")
endif()
if(NAMED_LANGUAGE_SUPPORT_INT)
set(OBJC_VARS "-fobjc-abi-version=2 -DOBJC_OLD_DISPATCH_PROTOTYPES=0")
set(OBJC_LEGACY_VARS "")
else()
set(OBJC_VARS "")
set(OBJC_LEGACY_VARS "-fobjc-abi-version=2 -DOBJC_OLD_DISPATCH_PROTOTYPES=0")
endif()
if(NOT ENABLE_VISIBILITY_INT)
foreach(lang ${languages})
set(CMAKE_${lang}_VISIBILITY_PRESET "hidden" CACHE INTERNAL "")
endforeach()
set(CMAKE_XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN "YES")
set(VISIBILITY "-fvisibility=hidden -fvisibility-inlines-hidden")
else()
foreach(lang ${languages})
set(CMAKE_${lang}_VISIBILITY_PRESET "default" CACHE INTERNAL "")
endforeach()
set(CMAKE_XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN "NO")
set(VISIBILITY "-fvisibility=default")
endif()
if(DEFINED APPLE_TARGET_TRIPLE)
set(APPLE_TARGET_TRIPLE_FLAG "-target ${APPLE_TARGET_TRIPLE}")
endif()
#Check if Xcode generator is used, since that will handle these flags automagically
if(CMAKE_GENERATOR MATCHES "Xcode")
message(STATUS "Not setting any manual command-line buildflags, since Xcode is selected as generator. Modifying the Xcode build-settings directly instead.")
else()
set(CMAKE_C_FLAGS "${C_TARGET_FLAGS} ${APPLE_TARGET_TRIPLE_FLAG} ${SDK_NAME_VERSION_FLAGS} ${OBJC_LEGACY_VARS} ${BITCODE} ${VISIBILITY} ${CMAKE_C_FLAGS}")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g ${CMAKE_C_FLAGS_DEBUG}")
set(CMAKE_C_FLAGS_MINSIZEREL "-DNDEBUG -Os ${CMAKE_C_FLAGS_MINSIZEREL}")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "-DNDEBUG -O2 -g ${CMAKE_C_FLAGS_RELWITHDEBINFO}")
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG -O3 ${CMAKE_C_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS "${C_TARGET_FLAGS} ${APPLE_TARGET_TRIPLE_FLAG} ${SDK_NAME_VERSION_FLAGS} ${OBJC_LEGACY_VARS} ${BITCODE} ${VISIBILITY} ${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g ${CMAKE_CXX_FLAGS_DEBUG}")
set(CMAKE_CXX_FLAGS_MINSIZEREL "-DNDEBUG -Os ${CMAKE_CXX_FLAGS_MINSIZEREL}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-DNDEBUG -O2 -g ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3 ${CMAKE_CXX_FLAGS_RELEASE}")
if(NAMED_LANGUAGE_SUPPORT_INT)
set(CMAKE_OBJC_FLAGS "${C_TARGET_FLAGS} ${APPLE_TARGET_TRIPLE_FLAG} ${SDK_NAME_VERSION_FLAGS} ${BITCODE} ${VISIBILITY} ${FOBJC_ARC} ${OBJC_VARS} ${CMAKE_OBJC_FLAGS}")
set(CMAKE_OBJC_FLAGS_DEBUG "-O0 -g ${CMAKE_OBJC_FLAGS_DEBUG}")
set(CMAKE_OBJC_FLAGS_MINSIZEREL "-DNDEBUG -Os ${CMAKE_OBJC_FLAGS_MINSIZEREL}")
set(CMAKE_OBJC_FLAGS_RELWITHDEBINFO "-DNDEBUG -O2 -g ${CMAKE_OBJC_FLAGS_RELWITHDEBINFO}")
set(CMAKE_OBJC_FLAGS_RELEASE "-DNDEBUG -O3 ${CMAKE_OBJC_FLAGS_RELEASE}")
set(CMAKE_OBJCXX_FLAGS "${C_TARGET_FLAGS} ${APPLE_TARGET_TRIPLE_FLAG} ${SDK_NAME_VERSION_FLAGS} ${BITCODE} ${VISIBILITY} ${FOBJC_ARC} ${OBJC_VARS} ${CMAKE_OBJCXX_FLAGS}")
set(CMAKE_OBJCXX_FLAGS_DEBUG "-O0 -g ${CMAKE_OBJCXX_FLAGS_DEBUG}")
set(CMAKE_OBJCXX_FLAGS_MINSIZEREL "-DNDEBUG -Os ${CMAKE_OBJCXX_FLAGS_MINSIZEREL}")
set(CMAKE_OBJCXX_FLAGS_RELWITHDEBINFO "-DNDEBUG -O2 -g ${CMAKE_OBJCXX_FLAGS_RELWITHDEBINFO}")
set(CMAKE_OBJCXX_FLAGS_RELEASE "-DNDEBUG -O3 ${CMAKE_OBJCXX_FLAGS_RELEASE}")
endif()
set(CMAKE_C_LINK_FLAGS "${C_TARGET_FLAGS} ${SDK_NAME_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
set(CMAKE_CXX_LINK_FLAGS "${C_TARGET_FLAGS} ${SDK_NAME_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
if(NAMED_LANGUAGE_SUPPORT_INT)
set(CMAKE_OBJC_LINK_FLAGS "${C_TARGET_FLAGS} ${SDK_NAME_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_OBJC_LINK_FLAGS}")
set(CMAKE_OBJCXX_LINK_FLAGS "${C_TARGET_FLAGS} ${SDK_NAME_VERSION_FLAGS} -Wl,-search_paths_first ${CMAKE_OBJCXX_LINK_FLAGS}")
endif()
set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS} -x assembler-with-cpp -arch ${CMAKE_OSX_ARCHITECTURES} ${APPLE_TARGET_TRIPLE_FLAG}")
endif()
## Print status messages to inform of the current state
message(STATUS "Configuring ${SDK_NAME} build for platform: ${PLATFORM_INT}, architecture(s): ${ARCHS}")
message(STATUS "Using SDK: ${CMAKE_OSX_SYSROOT_INT}")
message(STATUS "Using C compiler: ${CMAKE_C_COMPILER}")
message(STATUS "Using CXX compiler: ${CMAKE_CXX_COMPILER}")
message(STATUS "Using libtool: ${BUILD_LIBTOOL}")
message(STATUS "Using install name tool: ${CMAKE_INSTALL_NAME_TOOL}")
if(DEFINED APPLE_TARGET_TRIPLE)
message(STATUS "Autoconf target triple: ${APPLE_TARGET_TRIPLE}")
endif()
message(STATUS "Using minimum deployment version: ${DEPLOYMENT_TARGET}"
" (SDK version: ${SDK_VERSION})")
if(MODERN_CMAKE)
message(STATUS "Merging integrated CMake 3.14+ iOS,tvOS,watchOS,macOS toolchain(s) with this toolchain!")
if(PLATFORM_INT MATCHES ".*COMBINED")
message(STATUS "Will combine built (static) artifacts into FAT lib...")
endif()
endif()
if(CMAKE_GENERATOR MATCHES "Xcode")
message(STATUS "Using Xcode version: ${XCODE_VERSION_INT}")
endif()
message(STATUS "CMake version: ${CMAKE_VERSION}")
if(DEFINED SDK_NAME_VERSION_FLAGS)
message(STATUS "Using version flags: ${SDK_NAME_VERSION_FLAGS}")
endif()
message(STATUS "Using a data_ptr size of: ${CMAKE_CXX_SIZEOF_DATA_PTR}")
if(ENABLE_BITCODE_INT)
message(STATUS "Bitcode: Enabled")
else()
message(STATUS "Bitcode: Disabled")
endif()
if(ENABLE_ARC_INT)
message(STATUS "ARC: Enabled")
else()
message(STATUS "ARC: Disabled")
endif()
if(ENABLE_VISIBILITY_INT)
message(STATUS "Hiding symbols: Disabled")
else()
message(STATUS "Hiding symbols: Enabled")
endif()
# Set global properties
set_property(GLOBAL PROPERTY PLATFORM "${PLATFORM}")
set_property(GLOBAL PROPERTY APPLE_TARGET_TRIPLE "${APPLE_TARGET_TRIPLE_INT}")
set_property(GLOBAL PROPERTY SDK_VERSION "${SDK_VERSION}")
set_property(GLOBAL PROPERTY XCODE_VERSION "${XCODE_VERSION_INT}")
set_property(GLOBAL PROPERTY OSX_ARCHITECTURES "${CMAKE_OSX_ARCHITECTURES}")
# Export configurable variables for the try_compile() command.
set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES
PLATFORM
XCODE_VERSION_INT
SDK_VERSION
NAMED_LANGUAGE_SUPPORT
DEPLOYMENT_TARGET
CMAKE_DEVELOPER_ROOT
CMAKE_OSX_SYSROOT_INT
ENABLE_BITCODE
ENABLE_ARC
CMAKE_ASM_COMPILER
CMAKE_C_COMPILER
CMAKE_C_COMPILER_TARGET
CMAKE_CXX_COMPILER
CMAKE_CXX_COMPILER_TARGET
BUILD_LIBTOOL
CMAKE_INSTALL_NAME_TOOL
CMAKE_C_FLAGS
CMAKE_C_DEBUG
CMAKE_C_MINSIZEREL
CMAKE_C_RELWITHDEBINFO
CMAKE_C_RELEASE
CMAKE_CXX_FLAGS
CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS_RELEASE
CMAKE_C_LINK_FLAGS
CMAKE_CXX_LINK_FLAGS
CMAKE_ASM_FLAGS
)
if(NAMED_LANGUAGE_SUPPORT_INT)
list(APPEND CMAKE_TRY_COMPILE_PLATFORM_VARIABLES
CMAKE_OBJC_FLAGS
CMAKE_OBJC_DEBUG
CMAKE_OBJC_MINSIZEREL
CMAKE_OBJC_RELWITHDEBINFO
CMAKE_OBJC_RELEASE
CMAKE_OBJCXX_FLAGS
CMAKE_OBJCXX_DEBUG
CMAKE_OBJCXX_MINSIZEREL
CMAKE_OBJCXX_RELWITHDEBINFO
CMAKE_OBJCXX_RELEASE
CMAKE_OBJC_LINK_FLAGS
CMAKE_OBJCXX_LINK_FLAGS
)
endif()
set(CMAKE_PLATFORM_HAS_INSTALLNAME 1)
set(CMAKE_SHARED_LINKER_FLAGS "-rpath @executable_path/Frameworks -rpath @loader_path/Frameworks")
set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -Wl,-headerpad_max_install_names")
set(CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
set(CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
set(CMAKE_FIND_LIBRARY_SUFFIXES ".tbd" ".dylib" ".so" ".a")
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")
# Set the find root to the SDK developer roots.
# Note: CMAKE_FIND_ROOT_PATH is only useful when cross-compiling. Thus, do not set on macOS builds.
if(NOT PLATFORM_INT MATCHES "^MAC.*$")
list(APPEND CMAKE_FIND_ROOT_PATH "${CMAKE_OSX_SYSROOT_INT}" CACHE INTERNAL "")
set(CMAKE_IGNORE_PATH "/System/Library/Frameworks;/usr/local/lib" CACHE INTERNAL "")
endif()
# Default to searching for frameworks first.
set(CMAKE_FIND_FRAMEWORK FIRST)
# Set up the default search directories for frameworks.
if(PLATFORM_INT MATCHES "^MAC_CATALYST")
set(CMAKE_FRAMEWORK_PATH
${CMAKE_DEVELOPER_ROOT}/Library/PrivateFrameworks
${CMAKE_OSX_SYSROOT_INT}/System/Library/Frameworks
${CMAKE_OSX_SYSROOT_INT}/System/iOSSupport/System/Library/Frameworks
${CMAKE_FRAMEWORK_PATH} CACHE INTERNAL "")
else()
set(CMAKE_FRAMEWORK_PATH
${CMAKE_DEVELOPER_ROOT}/Library/PrivateFrameworks
${CMAKE_OSX_SYSROOT_INT}/System/Library/Frameworks
${CMAKE_FRAMEWORK_PATH} CACHE INTERNAL "")
endif()
# By default, search both the specified iOS SDK and the remainder of the host filesystem.
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH CACHE INTERNAL "")
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH CACHE INTERNAL "")
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH CACHE INTERNAL "")
endif()
if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE BOTH CACHE INTERNAL "")
endif()
#
# Some helper-macros below to simplify and beautify the CMakeFile
#
# This little macro lets you set any Xcode specific property.
macro(set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE XCODE_RELVERSION)
set(XCODE_RELVERSION_I "${XCODE_RELVERSION}")
if(XCODE_RELVERSION_I STREQUAL "All")
set_property(TARGET ${TARGET} PROPERTY XCODE_ATTRIBUTE_${XCODE_PROPERTY} "${XCODE_VALUE}")
else()
set_property(TARGET ${TARGET} PROPERTY XCODE_ATTRIBUTE_${XCODE_PROPERTY}[variant=${XCODE_RELVERSION_I}] "${XCODE_VALUE}")
endif()
endmacro(set_xcode_property)
# This macro lets you find executable programs on the host system.
macro(find_host_package)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)
set(_TOOLCHAIN_IOS ${IOS})
set(IOS OFF)
find_package(${ARGN})
set(IOS ${_TOOLCHAIN_IOS})
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE BOTH)
endmacro(find_host_package)
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